Your search for "transformer" revealed the following:
REPLACEMENT transformer Blisslights Spright
$ 29.95
$ 19.95
Sparkle Magic Replacement AC 1.0 amp Transformer - Power Adapter
$ 39.95
$ 33.99
3 to 1 Notched Connector Splitter
$ 7.50
$ 5.50
5 to 1 Notched Connector Splitter
$ 14.00
$ 11.50
5 to 1 splitter hub (un-notched)
$ 7.90
$ 5.90
Extension Cable 16 foot with male-female connections
$ 13.90
$ 10.90
BlissLights BL15 Transformer
$ 50.00
$ 29.99
Light sensing Transformer/Timer
$ 75.00
$ 50.00
BlissLights Replacement 12 volt AC 1.0 amp transformer
$ 29.95
$ 19.95